Home / 231,370,869.93-319,292,406.85-125,524,279.78

Finding the Fourth Proportional to 231,370,869.93, 319,292,406.85 and 125,524,279.78

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Solution

The fourth proportional to 231,370,869.93, 319,292,406.85 and 125,524,279.78 is: 173,223,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,370,869.93 : 319,292,406.85 = 125,524,279.78 : x
  2. Step 2: Convert to fraction form
    231,370,869.93/319,292,406.85 = 125,524,279.78/x
  3. Step 3: Cross multiply
    231,370,869.93x = 319,292,406.85 × 125,524,279.78
  4. Step 4: Simplify right side
    231,370,869.93x = 40,078,949,408,639,944
  5. Step 5: Solve for x
    x = 40,078,949,408,639,944/231,370,869.93
  6. Step 6: Final answer
    x = 173,223,835.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.